跟进：Sierra Nevada生牛奶酪大肠杆菌疫情结束 10州18人患病、9人住院
美国食品药品监管局（FDA）与疾控中心（CDC）11月13日宣布，与 Sierra Nevada Graziers 草饲生牛奶酪有关的多州大肠杆菌 O26:H11 疫情已经结束，食品药品监管局的疫情调查就此结案。这轮疫情共报告18人感染，分布在加州、科罗拉多州、佐治亚州、肯塔基州、密歇根州、内华达州、新墨西哥州、俄勒冈州、田纳西州与犹他州共10个州。
按疾控中心与各州伙伴汇总的信息，患者发病日期从2026年7月7日到9月20日，其中9人住院、3人出现溶血性尿毒综合征，无人死亡。接受访谈的15名患者全部表示，发病前吃过 Sierra Nevada Graziers 草饲生牛奶酪。
调查中，加州公共卫生厅从患者家中采集了已开封的 Sierra Nevada Graziers 生牛奶中度切达奶酪样本，检测出大肠杆菌，全基因组测序显示与疫情菌株一致。密歇根州农业与农村发展厅也从一名消费者家中采集了同款奶酪的开封样本，密歇根州卫生与公众服务厅检测出另一株大肠杆菌。
涉事的四款生牛奶酪为中度切达、高度切达、墨西哥辣椒杰克与蒙特雷杰克，零售装为8盎司或16盎司，另有5磅装供应餐饮与批发客户，在全美零售店与网上销售，还曾分销到韩国。Sierra Nevada Cheese Company 已于9月24日在食品药品监管局通知后启动全部 Graziers 生牛奶酪的召回，涉事产品不应再在市面销售。
食品药品监管局提醒，这批奶酪保质期较长，消费者应检查家中是否还存有被召回的奶酪，有就丢弃或退回购买处退款；若奶酪已脱离原包装冷藏或冷冻、无法判断是否属于召回范围，也应丢弃。购买或收到过召回奶酪的消费者、餐馆与零售商应仔细清洁消毒奶酪接触过的表面与容器，出现大肠杆菌感染症状应立即就医。
（来源：美国食品药品监管局）
Follow-Up: E. Coli Outbreak Linked to Sierra Nevada Raw Milk Cheese Ends With 18 Sickened in 10 States
The U.S. Food and Drug Administration (FDA) and the Centers for Disease Control and Prevention (CDC) announced on November 13 that the multistate outbreak of E. coli O26:H11 infections linked to Sierra Nevada Graziers grass-fed raw milk cheese is over, and the FDA's outbreak investigation has closed. A total of 18 people infected with the outbreak strain were reported from 10 states: California, Colorado, Georgia, Kentucky, Michigan, Nevada, New Mexico, Oregon, Tennessee, and Utah.
According to information collected by the CDC and state partners, illnesses started on dates ranging from July 7 to September 20, 2026. There were 9 hospitalizations and 3 cases of hemolytic uremic syndrome, and no deaths. Of the 15 ill people interviewed, all 15 reported consuming Sierra Nevada Graziers grass-fed raw milk cheese before getting sick.
As part of the investigation, the California Department of Public Health collected opened samples of Sierra Nevada Graziers raw medium cheddar cheese from a sick person's home; the samples tested positive for E. coli and matched the outbreak strain by whole genome sequencing. The Michigan Department of Agriculture and Rural Development also collected an opened sample of the same cheese from a consumer's home, and testing by the Michigan Department of Health and Human Services showed it was positive for a different strain of E. coli.
The recalled cheeses are the medium cheddar, sharp cheddar, jalapeno jack, and Monterey jack varieties, sold at retail in 8-ounce or 16-ounce packages and to food service customers and wholesalers in 5-pound loaves. They were sold at retailers nationwide and online and were also distributed to the Republic of Korea. Sierra Nevada Cheese Company initiated a recall of all Graziers raw milk cheeses on September 24, 2026, after the FDA notified the firm about the outbreak, and the recalled product should no longer be for sale.
Because the recalled product has a long shelf life, the FDA is reminding consumers to check their homes for any recalled Sierra Nevada Graziers raw milk cheeses and throw them away or return them to the place of purchase for a refund. Cheese that was refrigerated or frozen without its original packaging and cannot be identified should also be discarded. Consumers, restaurants, and retailers should carefully clean and sanitize any surfaces or containers the cheese touched, and anyone who ate the recalled cheese and develops symptoms of an E. coli infection should consult a health care provider immediately.
(Source: U.S. Food and Drug Administration)
来源：美国食品药品监管局
发布：GSM·美国（发布链接）
图片来源：图：食品药品监管局（FDA）公布的被召回 Sierra Nevada Graziers 四款草饲生牛奶酪。美国食品药品监管局官方图。 / Photo: The four recalled Sierra Nevada Graziers grass-fed raw milk cheeses, in an official U.S. Food and Drug Administration photo.
GSM Global · 本篇英文版 English edition of this story
- 2026-10-19 00:49FDA 调查生牛奶酪大肠杆菌疫情：Sierra Nevada Graziers 四款生奶奶酪在全美召回
- 2026-11-13 12:41跟进：Sierra Nevada生牛奶酪大肠杆菌疫情结束 10州18人患病、9人住院本篇
